P0521 Diagnostic Trouble Code Discussion for September 2020
Engine Oil Pressure Sensor Performance
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| Help Request | Posted | |
| 2012 Chevrolet Avalanche LTZ 5.3L Monitors VIN: 3GNTKGE74C P0521: Pending code replaced oil pressure sensor. Truck has been to two or three other shops with no luck Trying to pass NYS inspection. The evap 02 sensor & the O2 heater monitors won't set Has been driven over 3500 hundred miles since June All data reads normal we did find engine temp running low 18... |
September 29, 2020 |
